Sofa chair



FIG. 1 is a front facing perspective view of a sofa chair;

FIG. 2 is a front view thereof;

FIG. 3 is a rear view thereof;

FIG. 4 is a left-side view, the right-side view being a mirror image thereof; and,

FIG. 5 is a top view thereof.

The broken lines in the figures are for the purpose of illustrating portions of the sofa chair, which form no part of the claimed design. 

CLAIM The ornamental design for a sofa chair, as shown and described. 